DetailsSpecification Item Type - Portable Neck FanColor - White/Black/PinkMaterial - ABSCharging Voltage - 5VCharging Current - 1000mABattery - 2000mAhWeight - 195gSize - 20.5*26cm/8.07*10.23in Product Include1*Neck Fan1*USB1*Manual1*Box Feature A variety of usages - not only can be used for hanging neck; but also can be used on the desktop. Double-headed fan; strong wind - no fear of hot; one-button open double-sided wind. The motor has a low speed; smooth shifting speed and a large speed range. Intelligent wind speed control; enjoy the cool feeling brought by different wind speeds. USB interface for easy charging. 360 degree universal adjustment; the wind is free to control. Strong Wind And Excellent 7 Fan Blade Design.Make the wind force greater than the 3-blade wind force. It can be a warm low beam; so use it in the dark. 3 Wind Speed Adjustment; Meet the needs in different scenarios 2000mAh Rechargeable Lithium Battery; 5H long battery life Can be used for sports; leisure; office; fitness.